breifly explain one specific histroic event or development that accounts for the changes in the United States energy sources between 1850 and 1900

Read this brief excerpt from the declaration: we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty and the pursuit of happiness in a two- to three-paragraph essay, define in your own words the meaning of the unalienable rights of life, liberty, and the pursuit of happiness. in your response, make sure to address whether these rights apply to ideals or issues that are important in today’s world.

The theory of mercantilism holds that a nation's economic power comes from a a.enslave people b.become industrial c. willingness to explore d.favorable balance of trade

How did the incas unite the andes mountains?